52739236 has 24 divisors (see below), whose sum is σ = 106608096. Its totient is φ = 22561920.

The previous prime is 52739233. The next prime is 52739249. The reversal of 52739236 is 63293725.

It is a junction number, because it is equal to n+sod(n) for n = 52739195 and 52739204.

It is not an unprimeable number, because it can be changed into a prime (52739233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34506 + ... + 36001.

It is an arithmetic number, because the mean of its divisors is an integer number (4442004).

Almost surely, 2^52739236 is an apocalyptic number.

It is an amenable number.

52739236 is an abundant number, since it is smaller than the sum of its proper divisors (53868860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52739236 is a wasteful number, since it uses less digits than its factorization.

52739236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70539 (or 70537 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 52739236 is about 7262.1784610405. The cubic root of 52739236 is about 375.0115220163.

It can be divided in two parts, 52739 and 236, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 52739236 in words is "fifty-two million, seven hundred thirty-nine thousand, two hundred thirty-six".